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** This file is part of the Qt Application Manager.
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
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****************************************************************************/

#pragma once

#include <QtAppManCommon/global.h>
#include <QVector>
#include <QString>

#include <QtAppManApplication/packageinfo.h>

QT_BEGIN_NAMESPACE_AM

class PackageInfo;
class YamlPackageScanner;


class PackageDatabase
{
public:
    PackageDatabase(const QStringList &builtInPackagesDirs, const QString &installedPackagesDir = QString());
    PackageDatabase(const QString &singlePackagePath);

    QString installedPackagesDir() const;

    void enableLoadFromCache();
    void enableSaveToCache();

    void parse();

    QVector<PackageInfo *> builtInPackages() const;
    QVector<PackageInfo *> installedPackages() const;

    //TODO: runtime installations
    //void addPackage(PackageInfo *package);
    //void removePackage(PackageInfo *package);
    //void updatePackage(PackageInfo *oldPackage, PackageInfo *newPackage);

private:
    PackageInfo *loadManifest(YamlPackageScanner *yps, const QString &manifestPath);
    QMap<PackageInfo *, QString> loadManifestsFromDir(YamlPackageScanner *yps, const QString &manifestDir, bool scanningBuiltInApps);

    bool loadFromCache();
    void saveToCache();

    bool m_loadFromCache = false;
    bool m_saveToCache = false;
    bool m_parsed = false;
    QStringList m_builtInPackagesDirs;
    QString m_installedPackagesDir;
    QString m_singlePackagePath;

    QMap<PackageInfo *, QString> m_builtInPackages;
    QMap<PackageInfo *, QString> m_installedPackages;

    bool canBeRevertedToBuiltIn(PackageInfo *pi);
};

QT_END_NAMESPACE_AM
